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REAPER supports all Windows version from Windows XP to Windows 10.

The Windows version also works well with WINE.

REAPER supports all macOS X versions from 10.5* to 10.12.

Windows 32-bit
REAPER v5.29 - 9MB
Windows XP/Vista/7/8/10
Windows 64-bit
REAPER v5.29 - 11MB
Windows XP/Vista/7/8/10 x64
OS X 32-bit
REAPER v5.29 - 14MB
OS X 10.5-10.12
OS X 64-bit
REAPER v5.29 - 16MB
OS X 10.5-10.12
REAPER 5.29: It's Got What Plants Crave!
Development IDEs
  • (ReaScript, Video Processor, JSFX)
  • improve context-sensitive function information in top line
  • show function list on right click in some IDEs (Ctrl+right click for watch behavior)
  • allow peeking values via Ctrl+K
  • user configurable colors (in theme tweak window, though not theme dependent)
  • highlight known API functions, variables
  • allow searching APIs via watch filter
  • doubleclicking item in watch list copies name
  • improve performance of Lua IDE syntax highlighting
  • show errors and highlight source code error when applicable when saving via Ctrl+S
Notation editor
  • fix detached flags at certain zoom levels
  • add option to position dynamics below the staff by default
  • prevent copied phrases from spanning multiple tracks
  • properly undo edits on secondary tracks
  • support two articulations plus one ornament per note
  • avoid flicker when using monitoring FX and repositioning edit cursor
  • improve behavior changing FX presets (restore scroll, reposition cursor)
  • improve edge case handling of various presets
  • improve render frame timing
  • add tempo/time signature processor access (project_tempo, project_ts_num, project_time_qn, etc)
  • add __denormal_likely() and __denormal_unlikely() optimization hint metafunctions
  • add new analysis effect gain_reduction_scope
  • avoid heap fragmentation when using PDC+pin mapper on multichannel tracks
MIDI editor
  • add option to display note name and velocity information on secondary media items
  • improve velocity lane behavior with non-zoom-dependent CC density
  • smoother velocity lane editing
  • export hollow and filled diamond noteheads properly
  • fix vertical positioning of exported dynamics
  • properly export mixed accidentals and enharmonics
  • fix potential hang issue with 'flush FX on loop' option enabled
  • improve anticipative FX corner case on loop with sends and PDC
  • fix potential glitch when changing track channel count or flushing FX on loop
  • support device names up to 256 characters long
  • obey beats timebase when moving or pasting multiple envelope points
  • fix 10.12 text drawing when showing some modal windows (such as project load warnings)
  • fix double-click to add track when the last visible track is a folder, tracks in folder are hidden, and folder is closed
Notation PDF export
  • fix detached flags at certain zoom levels
  • add MIDI lyrics viewer script, action to launch it
Stretch markers
  • improve auto-add of markers on tempo map edits, moving across tempo changes
Virtual MIDI Keyboard
  • fix keyboard behaviors
  • fix soft takeover with bridged plug-ins

    Old Versions
    Language Packs
    Theme Development
    Custom Cursors
    JSFX Programming
    Extensions SDK
    Extensions to VST SDK
    Language Pack Template
    User Guide